import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'

Vue.use(VueRouter)

const routes = []

const router = new VueRouter({
  routes :[
    {path:'/',redirect:'/login'},
    {path: '/login',component:Login},
    {path: '/home',component:Home}
  ]
})
//挂载路由导航守卫
router.beforeEach((to,from,next)=>{
  //to:将要访问路径
  //from:从哪个路径跳转
  //next:放行 next放行 next('/login)强制跳转
  if(to.path === '/login') return next();
  //获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if(!tokenStr) return next('/login')
  next()
})

export default router
